162457340

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 346508064

約数和(自身を除く): 184050724

約数列:

[1, 2, 4, 5, 10, 20, 137, 211, 274, 281, 422, 548, 562, 685, 844, 1055, 1124, 1370, 1405, 2110, 2740, 2810, 4220, 5620, 28907, 38497, 57814, 59291, 76994, 115628, 118582, 144535, 153988, 192485, 237164, 289070, 296455, 384970, 578140, 592910, 769940, 1185820, 8122867, 16245734, 32491468, 40614335, 81228670, 162457340]

約数ペア:

[(1, 162457340), (2, 81228670), (4, 40614335), (5, 32491468), (10, 16245734), (20, 8122867), (137, 1185820), (211, 769940), (274, 592910), (281, 578140), (422, 384970), (548, 296455), (562, 289070), (685, 237164), (844, 192485), (1055, 153988), (1124, 144535), (1370, 118582), (1405, 115628), (2110, 76994), (2740, 59291), (2810, 57814), (4220, 38497), (5620, 28907)]